This is us
At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development.
This is the job
In Argentina (Remote / Hybrid) within the IT & Software Engineering industry, we are actively seeking a Senior or Semi-Senior Backend Developer to strengthen our team dedicated to building scalable, high-performance digital solutions and robust microservices architectures.
This is the team
In your role you'll become a vital member in a team of skilled professionals, including software engineers, architects, and product specialists focused on delivering modern, event-driven systems. Your primary responsibility will involve designing, developing, and optimizing high-throughput backend services using Node.js and AWS infrastructure.



Here you will have the opportunity to make a meaningful contribution to global technological progress while at the same time advancing your own skills and career.
This is you
- Solid experience as a Backend Developer working with Node.js, TypeScript, and modern frameworks like NestJS or Express.
- Hands-on expertise with Event-Driven Architecture and messaging platforms (specifically Apache Kafka) for asynchronous processing.
- Strong knowledge of Cloud infrastructure and containerization, particularly AWS (Lambdas, EKS / Kubernetes, Multi-Region) and Docker.
- Proven experience working with relational and non-relational databases such as PostgreSQL, MySQL, and Redis.
- Solid understanding of core architectural principles, including Clean Architecture, SOLID, DDD, and Microservices.

Nice-to-have skills
- Experience using Serverless Framework.
- Familiarity with AI-Assisted Engineering tools (such as Claude Code or GitHub Copilot) integrated into daily development workflows.
- Previous experience in general projects o

📌 Senior NodeJs Engineer (Buenos Aires)
🏢 avenga
📍 Buenos Aires